Figure 1.
Typical UPLC-QTOF-MS/MS chromatograms of secondary metabolites in PMR. (A,D) RPMR; (B,E) PPMR1; (C,F) PPMR9; (A–C) negative mode; (D–F) positive mode. The peak numbers represent the same meanings as in Table 1.
Typical UPLC-QTOF-MS/MS chromatograms of secondary metabolites in PMR. (A,D) RPMR; (B,E) PPMR1; (C,F) PPMR9; (A–C) negative mode; (D–F) positive mode. The peak numbers represent the same meanings as in Table 1.